1242002 has 8 divisors (see below), whose sum is σ = 1898316. Its totient is φ = 609232.

The previous prime is 1242001. The next prime is 1242029. The reversal of 1242002 is 2002421.

It can be written as a sum of positive squares in 2 ways, for example, as 1168561 + 73441 = 1081^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1242001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5753 + ... + 5964.

2^1242002 is an apocalyptic number.

1242002 is a deficient number, since it is larger than the sum of its proper divisors (656314).

1242002 is a wasteful number, since it uses less digits than its factorization.

1242002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1242002 is about 1114.4514345632. The cubic root of 1242002 is about 107.4914938285.

Adding to 1242002 its reverse (2002421), we get a palindrome (3244423).

The spelling of 1242002 in words is "one million, two hundred forty-two thousand, two".